packetfence

PacketFence PacketFenceとは？ PacketFenceは、完全にサポートされ、信頼された、フリーかつオープンソースのネットワークアクセス制御（NAC）システムです。登録および修復のためのキャプティブポータル、有線・無線の集中管理、802.1Xサポート、問題のあるデバイスのレイヤー2分離、IDSソリューションや脆弱性スキャナーとの統合など、印象的な機能セットを誇ります。PacketFenceは、小規模から非常に大規模な異種混在ネットワークまで、ネットワークを効果的に保護するために使用できます。 ネットワーク上に誰がいるのか知りたいですか？...

CVE-2026-20180

Cisco ISE RCE: 高度な悪用分析と修復 📋 目次 1. エグゼクティブサマリー 2. 攻撃対象領域の分析 3. 悪用ベクトル 4. 高度な回避技術 5. ゼロトラストアーキテクチャへのシステム的影響 6. 修復戦略 7. フォレンジック調査 8. 参考文献 🎯 エグゼクティブサマリー Cisco Identity Services Engine ISE...

CVE-2026-56854

A flaw was found in golang.org/x/crypto/ssh. The component failed to properly enforce source-address restrictions for several authentication methods, including password and keyboard-interactive callbacks. In applications that misuse the ServerConfig.PublicKeyCallback callback to make security...

CVE-2026-72243

A flaw was found in the Linux kernel's Security-Enhanced Linux SELinux module. When using TCP Fast Open, SELinux failed to properly check connect-related permissions. This oversight could allow a local attacker to bypass SELinux network access controls, potentially enabling unauthorized network...

CVE-2026-44507

Removed by vendor...

CVE-2026-44393

A flaw was found in OpenStack oslo.messaging. The RabbitMQ driver does not properly verify the hostname of the message broker when establishing a TLS Transport Layer Security connection. An attacker capable of intercepting control-plane network traffic can exploit this vulnerability to impersonat...

CVE-2026-54106 U.S. GAO EPDS and CBCA EDS network access control bypass

The U.S. Government Accountability Office GAO Electronic Protest Docketing System EPDS and Civilian Board of Contract Appeals CBCA Electronic Docketing System EDS do not validate X-Forwarded-For HTTP headers, allowing a remote attacker with compromised administrator credentials to bypass network...

CVE-2026-4035

A flaw was found in MLflow. This vulnerability allows an attacker to exfiltrate sensitive server-side environment credentials. It occurs because the AI Gateway secrets can resolve environment variables, which are then sent to an attacker-controlled endpoint. This could lead to unauthorized access...

Cisco ISE 安全漏洞

Cisco ISE is a NAC solution developed by the American company Cisco. It is used to manage access to network resources for endpoints, users, and devices in a zero-trust architecture. Cisco ISE has a security vulnerability that arises from observing error messages when calling affected API endpoint...

CVE-2026-32937

free5GC is an open source 5G core network. free5GC CHF prior to version 1.2.2 has an out-of-bounds slice access vulnerability in the CHF nchf-convergedcharging service. A valid authenticated request to PUT /nchf-convergedcharging/v3/recharging/:ueId?ratingGroup=... can trigger a server-side panic...

CVE-2026-23767

ESC/POS, a printer control language designed by Seiko Epson Corporation, lacks mechanisms for user authentication and command authorization, does not provide controls to restrict sources or destinations of network communication, and transmits commands without encryption or integrity protection...

Important: valkey

Issue Overview: Valkey is a distributed key-value database. Prior to versions 9.0.2, 8.1.6, 8.0.7, and 7.2.12, a malicious user can use scripting commands to inject arbitrary information into the response stream for the given client, potentially corrupting or returning tampered data to other user...

CVE-2026-0689

In ExtremeCloud IQ – Site Engine XIQ‑SE before 26.2.10, a vulnerability in the NAC administration interface allows an authenticated NAC administrator to retrieve masked sensitive parameters from HTTP responses. Although credentials appear redacted in the user interface, the application returns th...

CVE-2026-0689

Affected product/versions: ExtremeCloud IQ – Site Engine (XIQ‑SE) before 26.2.10. Vulnerable component: NAC administration interface. Root cause / flaw: Authenticated NAC admin requests return underlying credential values in HTTP responses while UI shows redacted values, enabling recovery of stor...

CVE-2026-0689 XIQ‑SE NAC Admin Credential Exposure via HTTP Response

In ExtremeCloud IQ – Site Engine XIQ‑SE before 26.2.10, a vulnerability in the NAC administration interface allows an authenticated NAC administrator to retrieve masked sensitive parameters from HTTP responses. Although credentials appear redacted in the user interface, the application returns th...

BIT-VALKEY-2026-21863 Malformed Valkey Cluster bus message can lead to Remote DoS

Valkey is a distributed key-value database. Prior to versions 9.0.2, 8.1.6, 8.0.7, and 7.2.12, a malicious actor with access to the Valkey clusterbus port can send an invalid packet that may cause an out bound read, which might result in the system crashing. The Valkey clusterbus packet processin...

Linux Distros Unpatched Vulnerability : CVE-2026-21863

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Valkey is a distributed key-value database. Prior to versions 9.0.2, 8.1.6, 8.0.7, and 7.2.12, a malicious actor with access to the Valkey clusterbus port can...

CVE-2026-21863 Malformed Valkey Cluster bus message can lead to Remote DoS

Valkey is a distributed key-value database. Prior to versions 9.0.2, 8.1.6, 8.0.7, and 7.2.12, a malicious actor with access to the Valkey clusterbus port can send an invalid packet that may cause an out bound read, which might result in the system crashing. The Valkey clusterbus packet processin...

PT-2026-21545

Name of the Vulnerable Software and Affected Versions Valkey versions prior to 9.0.2 Valkey versions prior to 8.1.6 Valkey versions prior to 8.0.7 Valkey versions prior to 7.2.12 Description Valkey is a distributed key-value database. A malicious actor with access to the Valkey clusterbus port ca...

CVE-2026-21908

A Use After Free vulnerability was identified in the 802.1X authentication daemon dot1xd of Juniper Networks Junos OS and Junos OS Evolved that could allow an authenticated, network-adjacent attacker flapping a port to crash the dot1xd process, leading to a Denial of Service DoS, or potentially...